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采用高效液相色谱法分析戊唑·吡虫啉复配制剂,使用C18反相柱和紫外可变波长检测器,以乙腈+水为流动相,用外标法对有效成分进行分析和定量。戊唑醇和吡虫啉的标准偏差分别为0.02和0.06;变异系数分别为2.47%和0.57%;平均回收率分别为99.21%和99.72%。
The high performance liquid chromatography (HPLC) was used to analyze tebuconazole and imidacloprid formulations. The C18 reversed-phase column and UV-vis detector were used with acetonitrile + water as the mobile phase. The external components were analyzed and quantitated. The standard deviations of tebuconazole and imidacloprid were 0.02 and 0.06, respectively. The coefficients of variation were 2.47% and 0.57% respectively. The average recoveries were 99.21% and 99.72%, respectively.